Growing Pains

Expecting the worst, Owen grabbed his backpack and inched towards the door of his classroom as the rest of the students funnelled out, anxiously clutching his bag and lifting it up towards his face, shielding himself as he sighed and stepped through the doorway. To his relief, the young wolf couldn't see anyone waiting for him out in the hallway as the crowd thinned and dispersed, heading to the yard or the dining room. Able to take a moment to breathe, the cub tossed his backpack onto the ground and took a seat on it, rubbing his face with a groan as he still smelled just the faintest whiff of his older brother's morning surprise even after a long and thorough shower, though he couldn't tell anymore whether the stink actually was that persistent or if it was just in his head at that point. Owen had suffered his sibling's near constant torment for over a year now, even his 9th birthday ending in a nasty surprise from Logan as the older canine smothered him between a pair of particularly musky ass cheeks, every day seeming to offer a new and excruciating manner of torture for the little pup. Logan would tease his little brother with his stink first thing in the morning, right before the cub went to sleep, and everywhere in between, rubbing his unwiped ass on just about everything that the kid owned to make sure that Owen couldn't escape his scent. The marking wasn't even the worst thing however, what the puppy despised most was his big brother's propensity to almost choke him underneath the older wolf's ass, usually leaving his entire face marked with streaks and stains of brown. He thought that he'd eventually get used to it, and he actually had, in a manner of speaking at least, just not in a way that he had expected or one that he was very comfortable with. Through the months of torment by way of shitty smells, Owen was starting to discover some things about his own body, more specifically about what got him excited in his undies, and much to his horror his brother's teasing seemed to be doing the trick for him. During the last few weeks, the boy had to try very hard to control himself whenever he found himself trapped underneath Logan's tailhole, not wanting to not show any signs of stimulation in fear of being ridiculed even harder by the older cub than he already was. More than that however, Owen simply didn't want to admit to himself that he might actually on some level enjoy the suffering he was constantly put through, the thought alone making him feel like some sort of a perverted freak. 

Sitting still and surveying the hallway, Owen saw no signs of his older brother even as the lunch break was nearing its end. The older canine was usually waiting right around the corner for the boy around lunch, lurking to ambush Owen with a belly full of gas and a fresh brown spot on his underwear from the meal he'd just had. The cub wanted nothing more than to just stay still and wait out the rest of the break so he could get back to the safety of his classroom, but unfortunately for him his bladder decided to disagree with his plan. The cub squirmed around in place, trying to cling on and ignore the sloshing sensation below his belly as he rocked back and forth, groaning while staring at the clock in the wall, slowly accepting that he definitely couldn't make it through the entire class without a visit to the bathrooms. He was more than a little hesitant about making the trip to the toilets however, since he was well aware that it was one of his brother's favourite places to ambush him, having already spent far too many breaks pinned under Logan's plump flank, forced to huff the larger wolf's gas. Last time Owen had built up the courage to go to the toilets at school, he'd ended up having to skip an entire class to try to wash the brown smudges from his cheeks and snout after getting a face full of Logan's unwashed ass. Stuck choosing between definitely wetting his pants or possibly being tortured by his sibling, Owen had to spend a surprisingly long time thinking which one would be a preferable outcome, finally sighing as he slowly sat up, pinching his legs together as he headed to the bathrooms. Inching forwards at a snail's pace both due to his hesitancy as well as his near-bursting bladder, the pup eventually made it to the toilets, slipping into the little boys' room. He peeked inside and found the place empty, quickly sprinting into one of the stalls and locking the door before dropping his pants, whimpering in relief as he did his business. Even as his tail wagged gently, the boy still felt very uneasy, unsure of whether he should be happy or terrified that he hadn't spotted his brother even once during the entire school day. 

On the other side of the city, while Owen was getting increasingly nervous by the minute, Logan was lounging on the sofa of their home, dressed in nothing but a pair of rather worn plaid boxers, a plate of greasy burritos sitting on his belly as he browsed the TV. Every few seconds, the boy would shove another burrito up to his stained muzzle, gulping down half of one in a single bite, licking his fingers with a smirk as his belly growled like a bear. The canine had already spent the entirety of the day before prepping for his big plans, using the lazy Sunday on stuffing his face with everything and anything he could think of that'd lead to the gassiest and smelliest dumps imaginable, having already raided the cupboards of all the beans and potted meats. Skipping school to continue his diet of foods that'd upset his stomach as much as possible, Logan was starting to really feel the effects of his regiment, the quiet tranquility of the household broken by an earth shattering fart every handful of minutes, the stink of them even making him gasp for air. The cub made sure to blast his gas directly into his already musky underwear, letting the slightly ripped boxers marinate in his stink while he waited for the main event to brew in his stomach, another loud roar and a twist in his belly signalling to the wolf that it was finally time to head to the porcelain throne. Tossing the plate of greasy burritos off of him, Logan bounced up and bolted into the bathroom, only inches away from a premature eruption as he yanked his underwear down midway through, slamming his cheeks onto the toilet before unleashing hell. The sloppy and runny result of abusing his gut blasted into the water below, giving the white surface a new coat of brown paint as he sighed in bliss, the tip of his dick peeking out of his sheath from pure relief as the incredible pressure that had been building up all spewed into the toilet. With his belly cramping as the flow of sewage slowly turned into gas, Logan sighed and gave his backside a quick shake, flinging off droplets of mud before standing up and pulling his boxers back on, feeling the fabric squishing into the unwiped mess that he'd left behind as he grinned. The boy looked down at the horrific state he'd left the toilet in, chuckling as he flushed it down and walked back into the living room, not bothering with closing the bathroom door since he knew there'd be many more visits just like the one he'd just had in his near future. Getting right back into his plans, the canine sat down and grabbed another burrito from the plate, munching down on it while his undies soaked up the wet from his ass cheeks, another moist spot appearing in the front of the pair as his excited tip rubbed against it. 

With his whole school day having gone by without the expected assault on his nose, Owen couldn't help but to dread as he made the walk back home, already feeling in his gut that he'd be in for a horrible surprise as soon as he stepped inside. The boys' parents were off to visit relatives for the entire day, which meant that the boy couldn't even seek shelter with them, his usual strategy of trying not to leave his mom's eyesight to ward off assaults from Logan now completely useless. Nervous enough to tremble slightly, Owen walked up the steps to the front door and held the key in his hand, clutching the handle hard enough for his knuckles to turn white as he sighed, trying to enjoy the last few breaths of fresh air before eventually slipping in the key and unlocking the door. Stepping in, the puppy could immediately pick up the horrible stink lingering in the air from his sibling's earlier preparations, his sensitive canine nose curling up in disgust as he groaned and stuck his shirt over his snout, knowing from experience that it wouldn't be of much use but still wanting to cling onto hope. He left the door open as he set down his backpack and took off his jacket, desperately hoping that it'd allow the stale air inside of the house to circulate, eventually left with no other choice except to sneak deeper into the place unless he wanted to spend the rest of the night outdoors, an option that seemed better and better with every step that the cub took, the horrid musk only growing in intensity. Owen took a careful look around the first floor, seeing no signs of his brother, working up the nerve to sprint into his bedroom to hopefully lock himself in for the day, breathing only in tiny and hurried gasps. The young wolf completely missed Logan crouched and hiding out behind the sofa as he surveyed the house, thinking that he'd gotten lucky and might have the chance to escape the inevitable as he turned to run upstairs. Just before he got his foot on the steps however, two hands wrapped around his belly from behind, gripping him in a tight hug as Logan cooed into his ear from behind, 
"You're finally home, bet you missed my ass at school today, huh~?" 
Before Owen had a chance to lift a finger, he was already pulled back and shoved onto the ground, his sibling's howling laughter piercing his ears while the worsening stink pierced his nostrils. 

Pinned on his back in an all too familiar position, Owen looked up to see his brother's ass hovering directly over his face, the plaid boxers still thankfully on the boy's flank, a prominent brown spot smeared down the middle of the pair. Already gagging at the horrific smell, the cub cringed and tried to twist his head away from the looming backside, his brother's mocking not making the situation any easier for him, 
"C'mon, I know you wanna give my butt a kiss, just sink that snout between my buns~!" 
Logan laughed and let his ass sway from side to side with his tail as he teased his little brother, threatening to slam his cheeks down on the young wolf's face right before pulling back up again, the erection in his underpants only growing harder and harder as he got into a comfortable position, his knot slipping free of his sheath. With the other canine's erection pulling the boxers taught, Owen had to stare at the perfect outline of his sibling's plump ass as he wriggled around, already knowing what was to come as Logan's tail rose up like a skunk, 
"Open wide, here's what you've been waiting all day for~!" 
With a rumble from his belly, the older brother gave a slight push and felt his tailhole flexing open, a blast of horrible gas rushing out and dusting the cub's face, the pressure of his farts causing his cheeks to jiggle hypnotically. Owen's eyes instantly watered as he tried to hold his breath, the surprise attack giving him very little time to prepare, leaving his lungs crying out for a gasp after just a handful of seconds. He did his best to hold out, but his brother's loud trumpet seemed to last forever, the fart not even slightly waning even as he had to take a breath. Hearing the boy breaking out in a fit of gasps and coughs, simultaneously trying to expel all of the fetid gas filling his airway while also trying to breathe, Logan grinned and moved the source of the fumes even closer to his face, making sure he couldn't miss a single whiff. With his nose now touching the back of the semi-soiled underwear, Owen's poor canine nose was completely filled with stink, every breath making him gag hard enough to spit out his dinner if he'd actually had one back at school. 

With the entire room smelling like an outhouse that hadn't been cleaned in a decade, Owen would've begged for mercy if his maw wasn't filling with the revolting miasma every time he opened his mouth, the first sliver of hope finally emerging as his big brother's booming fart slowly died down, the last hard push spraying out a few specks of dirt to be caught by the boxers. Stuck in the cloud of stench, Owen had to fill his lungs with the nauseating gas, starting to feel lightheaded from the overpowering smell. He was however also feeling a very different sort of a reaction below his belt, his brother's scent getting his blood pumping in ways that he really didn't want, his legs folding up to hide the front of his shorts starting to tent up slightly as he moaned. He didn't quite understand what was going on with himself, but every sniff of the other wolf's stink got him more used to the meaty musk, the farts even starting to smell slightly pleasant after a few minutes of being trapped underneath Logan's hind. His brother was nowhere near done with him however, a hand reaching back and yanking down the boxes separating his face from the full horror of his brother's ass, giving him only a moment to admire the stained and crusty pucker before it was already diving down onto his nose. Logan rubbed his soiled asshole up and down the cub's snout, slightly surprised at how the boy didn't seem to struggle nearly as much as before, thinking that Owen was just trying to get it over with as quick as possible, 
"Finally admitting that you love my stinky ass? Who's my little brown noser~?" 
Though he couldn't say that he hated what was being done to him, much to his chagrin, Owen still had difficulty trying to withstand the intense odour right against his sensitive nostrils, his whole muzzle buried between his brother's ass cheeks as he let out muffled squeaks and moans, his hands grasping at the plump mounds. Logan enjoyed the feel of the wet nose grinding against his dirty hole as he huffed, slowly stroking his manhood through his underwear as he humiliated the pup, unaware that he wasn't the only one finding some pleasure from it. 

After massaging his dirty hole on his brother's face for a few steamy minutes, his belly giving the occasional belch of farts for the boy to sniff up, Logan finally sighed contently and lifted up his ass, his fingers already sticky and slimy from rubbing his tip through his boxers. The older wolf looked back to see Owen laying almost still on the floor, a dazed look almost resembling a smile on his face, most of his snout smeared with his sibling's foul mud, his nostrils flaring hard as he huffed. It took the cub a couple of seconds before he realised that the ass cheeks weren't pressed up against his muzzle any longer, and that Logan was actually staring back at him with a huge grin, his embarrassment shooting through the roof as he quickly scrambled to try and make it look like he wasn't actually in heaven while sniffing the contents of his brother's gut. Pulling as hard as he could, the puppy managed to struggle out from underneath Logan, slipping away and hopping up to his feet, immediately turning away to hide both the redness of his face as well as the lump in his pants. His brother's devious laughter echoed across the entire house as Owen scrambled upstairs, running as fast as his weak legs could take him, not even thinking of stopping until he was in the safety of his bedroom. He slammed the door shut and leaned back against it just to make sure that Logan couldn't intrude, slowly sliding down the door as he groaned while holding his head, his mind adrift in a sea of confusion and conflict. Most boys struggled to get a grip on their blooming sexuality even at the best of times, but the poor pup had the added difficulty of his waking lust seemingly getting tangled up in his older brother's messy torture, only making the entire thing that much more confusing to him. Trying to plug his ears to drown out Logan's cackling laughter, the boy curled up in a ball, trying to make sense of everything that was happening as his shorts still throbbed, the weight of his shame crushing him down while his more base desires only egged him on.

Owen's thought process was constantly being driven off track by the stench that had even overtaken his own bedroom, though he couldn't necessarily tell exactly how bad it was due to his entire face being stained and smeared with his brother's shit, making everything smell just as bad no matter where he was. Deciding that the first step in getting his mind straight would be to actually clear out the horrible funk, the pup stood up and looked around his room for anything that he could wipe his snout on, not wanting to venture a single step outside of his room due to the risk of his older sibling ambushing him again. Standing indecisively in the middle of the room, whimpering as the burning stink seeped into his nostrils, Owen finally spotted his laundry hamper in the corner, a lone pair of white sweaty briefs hanging down the lip. Dashing over, he quickly grabbed the underwear and immediately jammed it against his nose, wiping and mopping while he whined, his limp tail hanging between his legs. The cub kept swabbing for nearly a minute straight before pulling the underwear away, letting it dangle from his hands as he looked in the mirror, a slight brown tint still staining his muzzle but at least the majority of the foul odour was gone. Breathing a sigh of relief, the pup was about to toss the briefs back into the laundry basket when he suddenly found himself entranced by the pair, a large smear of his brother's scat across the back of them, Logan's strong scent still emanating from them. Feeling his heart picking up and his mouth watering, the cub couldn't help but to move his free hand down to his crotch, his legs nearly giving out from under him as he clutched his stiff dick through his pants, his grip on the undies tightening at the same time. Falling to his knees with a tiny moan, Owen stared at the soiled briefs while slowly stroking his bulging shorts, debating whether to give in to the overwhelming lust. In his frantic state, the boy completely missed the door to his bedroom carefully creaking open just a little, his older brother peeking through the crack with a smirk, watching from the shadows as his hand inched the musky undies towards his nose. 

Missing the watchful eyes peeking in on him, Owen finally let his lust win over, shoving the underwear against his muzzle as he dropped his pants down to his knees, one hand mushing the soiled briefs on his face as the other gripped his canine cock. He moaned into the undies in desperation, opening up his maw and letting his tongue slip out, imagining that it was his older brother sitting on top of his face as he squeezed his knot, milking out fat droplets of precum. Wetting the underwear with his spit and relishing the powerful smell, the boy leaned back while pumping his cock, his eyes rolled back and his drool running down his chin as he jacked off in a fit of whimpers. Sporting his own erection after the teasing session downstairs, Logan watched with great interest as his little sibling sniffed the stained pair, quietly slipping a hand into his boxers as well, rubbing his thumb around his leaky tip as his eyes bounced between the little cub's pulsing girth and Owen's blissful look. Grunting and quivering, the puppy kept stroking, his fist sliding up and down his shaft as he increased his speed by the second, feeling the explosive finish creeping up on him while he tasted his brother's disgusting ass on his lips, fantasising Logan's thick cheeks squeezing around his maw. With a sharp shriek, Owen came and sprayed his load, almost hitting the wall from the centre of his room as he tried to muffle his moans by stuffing the underwear into his mouth, chewing on the fragrant briefs while massaging his knot, every rope of cum causing him to flinch as his entire body tensed and relaxed. Emptying a month's worth of seed onto his carpet, the drained wolf almost collapsed onto the ground, just barely keeping himself awake for long enough to crawl into his bed. Diving in and sprawling out onto his back, still clutching the dirty briefs against his chest, Owen fell asleep within the minute, snoring like a toddler, his face marked with spots and streaks of his brother's feces. Logan struggled to hold back his giggles, having to quickly retreat into his own room to think up of what to do with the newfound information, his hard on hanging out the front of his boxers.